From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Edgar E. Iglesias" Subject: Re: [RFC for-4.8 0/6] xen/arm: Add support for mapping mmio-sram nodes into dom0 Date: Mon, 23 May 2016 17:42:48 +0200 Message-ID: <20160523154248.GR16305@toto> References: <1463759488-11900-1-git-send-email-edgar.iglesias@gmail.com> <5742DB8B.7050603@arm.com> <20160523115623.GP16305@toto> <5742FF6F.4000009@arm.com> <20160523140204.GQ16305@toto> <57431E31.8030909@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <57431E31.8030909@arm.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Julien Grall Cc: edgar.iglesias@xilinx.com, sstabellini@kernel.org, Steve Capper , Andre Przywara , xen-devel@lists.xen.org, Shannon Zhao , Wei Chen List-Id: xen-devel@lists.xenproject.org T24gTW9uLCBNYXkgMjMsIDIwMTYgYXQgMDQ6MTM6NTNQTSArMDEwMCwgSnVsaWVuIEdyYWxsIHdy b3RlOgo+IEhpIEVkZ2FyLAo+IAo+IE9uIDIzLzA1LzE2IDE1OjAyLCBFZGdhciBFLiBJZ2xlc2lh cyB3cm90ZToKPiA+T24gTW9uLCBNYXkgMjMsIDIwMTYgYXQgMDI6MDI6MzlQTSArMDEwMCwgSnVs aWVuIEdyYWxsIHdyb3RlOgo+ID4+KENDIFdlaSBMaXUpCj4gPj4KPiA+Pk9uIDIzLzA1LzE2IDEy OjU2LCBFZGdhciBFLiBJZ2xlc2lhcyB3cm90ZToKPiA+Pj5PbiBNb24sIE1heSAyMywgMjAxNiBh dCAxMToyOTozMUFNICswMTAwLCBKdWxpZW4gR3JhbGwgd3JvdGU6Cj4gPj4+Pk9uIDIwLzA1LzE2 IDE2OjUxLCBFZGdhciBFLiBJZ2xlc2lhcyB3cm90ZToKPiA+Pj4+PkZyb206ICJFZGdhciBFLiBJ Z2xlc2lhcyIgPGVkZ2FyLmlnbGVzaWFzQHhpbGlueC5jb20+Cj4gPj4+Pj4KPiA+Pj4+PlRoaXMg c2VyaWVzIGFkZHMgc3VwcG9ydCBmb3IgbWFwcGluZyBtbWlvLXNyYW0gbm9kZXMgaW50byBkb20w Cj4gPj4+Pj5hcyBNRU1PUlksIGNhY2hlZCBhbmQgd2l0aCBSV1ggcGVybXMuCj4gPj4+Pgo+ID4+ Pj5DYW4geW91IGV4cGxhaW4gd2h5IHlvdSBjaG9zZSB0byBtYXAgdGhvc2Ugbm9kZXMgYXMgTUVN T1JZLCBjYWNoZWQgYW5kIHdpdGgKPiA+Pj4+UldYIHBlcm1zPwo+ID4+Pgo+ID4+Pk15IHVuZGVy c3RhbmRpbmcgaXMgdGhhdCB0aGVzZSBtbWlvLXNyYW0gbm9kZXMgYXJlIGFsbG93ZWQgdG8gYmUg dHJlYXRlZCBhcwo+ID4+Pk5vcm1hbCBtZW1vcnkgYnkgdGhlIGd1ZXN0IE9TLgo+ID4+Pkd1ZXN0 cyBjb3VsZCBwb3RlbnRpYWxseSBkbyBhbnkga2luZCBvZiBtZW1vcnkgbGlrZSBvcGVyYXRpb25z IG9uIHRoZW0uCj4gPj4+Cj4gPj4+SW4gb3VyIHNwZWNpZmljIGNhc2UsIGRvbTAgd29uJ3QgZXhl Y3V0ZSBjb2RlIGZyb20gdGhlc2UgcmVnaW9ucyBidXQKPiA+Pj5MaW51eC9kb20wIGVuZHMgdXAg dXNpbmcgc3RhbmRhcmQgbWVtY3B5L21lbXNldC94IGZ1bmN0aW9ucyAobm90Cj4gPj4+bWVtY3B5 X2Zyb21pbyBhbmQgZnJpZW5kcykgb24gdGhlIHJlZ2lvbnMuCj4gPj4KPiA+PkkgbG9va2VkIGF0 IHRoZSBnZW5lcmljIHNyYW0gZHJpdmVyIGluIExpbnV4IChkcml2ZXJzL21pc2Mvc3JhbS5jKSB3 aGljaAo+ID4+YWN0dWFsbHkgdXNlIG1lbWNweV97dG8sZnJvbX1pby4gU28gaG93IHlvdSBkcml2 ZXIgZGlmZmVycyBmcm9tIHRoZSBnZW5lcmljCj4gPj5vbmU/IFdoYXQgdGhlIFNSQU0gd2lsbCBj b250YWluPwo+ID4KPiA+V2UgaW50ZW5kIHRvIHVzZSB0aGF0IHNhbWUgZHJpdmVyIHRvIG1hcCB0 aGUgbWVtb3J5IGJ1dCBtbWlvLXNyYW0KPiA+bm9kZXMgYWxsb3cgeW91IHRvIGFzc2lnbiB0aGUg cmVnaW9ucyB0byBvdGhlciBkZXZpY2UtZHJpdmVycy4KPiA+Cj4gPlNvbWUgZXhhbXBsZXM6Cj4g PkRvY3VtZW50YXRpb24vZGV2aWNldHJlZS9iaW5kaW5ncy9jcnlwdG8vbWFydmVsbC1jZXNhLnR4 dAo+ID5hcmNoL2FybS9ib290L2R0cy9vcmlvbjV4LmR0c2kKPiA+ZHJpdmVycy9jcnlwdG8vbXZf Y2VzYS5jCj4gPgo+ID5UaGUgY292ZXIgbGV0dGVyIGZvciB0aGUgc3JhbSBkcml2ZXIgaGFkIGFu IGV4YW1wbGUgYXN3ZWxsIGFsbHRob3VnaAo+ID50aGUgZnVuY3Rpb24gbmFtZXMgaGF2ZSBjaGFu Z2VkIHNpbmNlIChpdCdzIG9mX2dlbl9wb29sX2dldCBub3cpOgo+ID5odHRwczovL2x3bi5uZXQv QXJ0aWNsZXMvNTM3NzI4Lwo+ID4KPiA+Tm90aGluZyBleHBsaWNpdGVseSBzYXlzIHRoYXQgdGhl IHJlZ2lvbnMgY2FuIGJlIGFzc3VtZWQgdG8gYmUgbWFwcGVkCj4gPmFzIE5vcm1hbCBtZW1vcnks IGJ1dCBvbiBMaW51eCB0aGV5IGRvIGdldCBtYXBwZWQgYXMgTW9ybWFsIFdDIG1lbQo+ID4odW5s ZXNzIHRoZSBuby1tZW1vcnktd2MgcHJvcCBpcyBzZXQgb24gdGhlIG5vZGUpLgo+ID5UaGUgbWFy dmVsbC1jZXNhIGV4YW1wbGUgYWxzbyB1c2VzIHBsYWluIG1lbXNldCBvbiB0aGUgc3JhbS4KPiAK PiBJIGFtIGEgYml0IGNvbmZ1c2VkIHdpdGggdGhpcyBleGFtcGxlLiBGcm9tIG15IHVuZGVyc3Rh bmRpbmcgb2YKPiBtdl9jZXNhX2dldF9yYW0sIGNwLT5zcmFtIGNhbiBwb2ludCBlaXRoZXIgdG8g YSBub3JtYWwgbWVtb3J5ICg/KSBhcmVhIChzZWUKPiBnZW5fcG9vbF9kbWFfYWxsb2MpIG9yIGEg RGV2aWNlX25HblJFIGFyZWEgKHNlZSBkZXZtX2lvcmVtYXBfcmVzb3VyY2UpLgo+IAo+IEhvd2V2 ZXIsIG1lbWNweV97ZnJvbSx0b31pbyBzaG91bGQgYmUgdXNlZCB3aGVuIGRlYWxpbmcgd2l0aCBN TUlPICh0aGUgZmllbGQKPiBzcmFtIGhhcyB0aGUgX19pb21lbSBhdHRyaWJ1dGUpLiBTZWUgdGhl IGNvbW1pdCAwZjMzMDRkYyBmcm9tIFJ1c3NlbCBLaW5nCj4gcmVsYXRlZCB0byBtYXJ2ZWxsL2Nl c2EuCgoKWWVhaCwgSSdtIHN0YXJ0ZWQgdG8gZ2V0IGNvbmZ1c2VkIHRvby4gTWF5YmUgdGhleSBq dXN0IGZvcmdvdCB0aGUgbWVtc2V0CmluIGRyaXZlcnMvY3J5cHRvL212X2Nlc2EuYy4KClRoZXJl IGFyZSBvdGhlciBleGFtcGxlcyB0aG91Z2gsIHRoYXQgZG9uJ3QgZG8gZnJvbWlvL3RvaW8gYXQg YWxsLgpEb2N1bWVudGF0aW9uL2RldmljZXRyZWUvYmluZGluZ3MvbWVkaWEvY29kYS50eHQKZHJp dmVycy9tZWRpYS9wbGF0Zm9ybS9jb2RhL2NvZGEtY29tbW9uLmMKCkFsbHRob3VnaCBvZmNvdXJz ZSwgdGhlc2UgY291bGQgYWxzbyBiZSB3cm9uZy4gTWF5YmUgSSd2ZSBtaXNzdW5kZXJzdG9vZCBo b3cKbW1pby1zcmFtIGlzIHN1cHBvc2VkIHRvIGJlIHVzZWQuCgoKPiA+Pj5XZSBzYXcgaXNzdWVz IHdpdGggbWVtc2V0IGRvaW5nIGNhY2hlIG9wZXJhdGlvbnMgb24gREVWSUNFIG1lbW9yeSBpbgo+ ID4+PnRoZSBwYXN0IChleHRlcm5hbCBkYXRhIGFib3J0cykuIEkgY2FuJ3QgZmluZCB0aGUgdGV4 dCBpbiB0aGUgQVJNIEFSTQo+ID4+PnJlZ2FyZGluZyB0aGlzIGF0IHRoZSBtb21lbnQgYnV0IElJ UkMsIGRjIG9wcyBvbiBkZXZpY2UgbWVtIGFyZSBub3QKPiA+Pj5hbGxvd2VkLgo+ID4+Cj4gPj5U aGUgQVJNIEFSTSAoRDMtMTYzMiBpbiBBUk0gRERJIDA0ODdBLmkpIHN0YXRlcyAidGhhdCB0aGUg ZWZmZWN0cyBvZiB0aGUKPiA+PmNhY2hlIG1haW50ZW5hbmNlIGluc3RydWN0aW9ucyBjYW4gYXBw bHkgcmVnYXJkbGVzcyBvZjoKPiA+PldoZXRoZXIgdGhlIGFkZHJlc3MgYWNjZXNzZWQ6Cj4gPj4J KiBJcyBOb3JtYWwgbWVtb3J5IG9yIERldmljZSBtZW1vcnkuCj4gPj4JKiBIYXMgdGhlIENhY2hl YWJsZSBhdHRyaWJ1dGUgb3IgdGhlIE5vbi1jYWNoZWFibGUgYXR0cmlidXRlLgo+ID4+Igo+ID4+ Cj4gPj5TbyBJIGFtIG5vdCBzdXJlIHdoeSB5b3Ugd291bGQgZ2V0IGFuIGV4dGVybmFsIGRhdGEg YWJvcnRzIHdoZW4gZXhlY3V0aW5nIGRjCj4gPj5vcHMgb24gZGV2aWNlIG1lbW9yeS4KPiA+Cj4g Pgo+ID5PSywgSSBmb3VuZCBhIHJlZmVyZW5jZSB0byB0aGUgaXNzdWUgd2Ugd2VyZSBzZWVpbmcu IElmIHlvdSBsb29rIGF0IEFSTSBBUk0KPiA+RDMuNC45IERhdGEgY2FjaGUgemVybyBpbnN0cnVj dGlvbiwgeW91J2xsIHNlZSB0aGF0IHRoZSBEQyBaVkEgaW5zbiBhbHdheXMKPiA+Z2VuZXJhdGVz IGFuIGFsaWdubWVudCBmYXVsdCBpZiB1c2VkIG9uIGRldmljZSBtZW1vcnkuCj4gCj4gVGhpbmtp bmcgYSBiaXQgbW9yZSwgSSBmaW5kIHdlaXJkIHRvIHVzZSBjYWNoZSBpbnN0cnVjdGlvbnMgb24g dGhlIFNSQU0KPiBnaXZlbiB0aGUgcmVnaW9uIHdpbGwgYmUgbWFwcGVkIHVuY2FjaGVhYmxlIGJ5 IExpbnV4LiBOb3RlIHRoYXQgU1JBTSBpcwo+IHVzdWFsbHkgdmVyeS1mYXN0IHNvIHVzaW5nIHRo ZSBjYWNoZSBtYXkgbm90IGltcHJvdmUgdGhhdCBtdWNoIHRoZQo+IHBlcmZvcm1hbmNlLgo+IAo+ IEhvdyBiYWQgd291bGQgdGhlIHBlcmZvcm1hbmNlIGJlIGlmIHRoZSBwcm9jZXNzb3IgY2Fubm90 IHNwZWN1bGF0ZSBhY2Nlc3MgdG8KPiB0aGUgU1JBTT8KCkkgZG9uJ3QgaGF2ZSB0aGUgc2V0dXAg YXZhaWxhYmxlIHJpZ2h0IG5vdyB0byB0cnkgaXQgb3V0IGJ1dCBJIHdvdWxkbid0CmV4cGVjdCBp dCB0byBiZSB2ZXJ5IHNpZ25pZmNhbnQgZm9yIG91ciBhcHBzLiBJbiBvdXIgY2FzZSBpdCBoYWQg bW9yZSB0bwpkbyB3aXRoIHRoZSBhYmlsaXR5IHRvIHVzZSB0aGUgcmVtb3RlLXByb2MgZHJpdmVy cyBhcyB0aGV5IGFyZSBhbmQgcmVhbGx5CmFueSBsaW51eCBkcml2ZXIgdGhhdCBwb3RlbnRpYWxs eSBjYW4gdGFrZSBhbiBzcmFtIGFzIGEgbWVtb3J5IHJlZ2lvbiBmb3IKbG9jYWwgdXNlIChETUEg YnVmZmVycyBvciB3aGF0ZXZlciksIHdpdGhvdXQgY2hhbmdpbmcgdGhlIG1lbW9yeSBvcHMgdG8K dGhlIF9mcm9taW8vX3RvaW8gdmVyc2lvbnMuCgpCZXN0IHJlZ2FyZHMsCkVkZ2FyCgpfX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGlu ZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHA6Ly9saXN0cy54ZW4ub3JnL3hlbi1k ZXZlbAo=